BGUK_1256414 - - ** RIGHTS: WORLDWIDE EXCEPT IN ITALY ** Portofino, ITALY - *EXCLUSIVE* - Natalia Grosvenor, the Duchess of Westminster and her son Hugh Grosvenor, the 7th Duke of Westminster are on holiday in Portofino. Hugh is the said to inherit the family business worth a whopping 10 billion pounds and is reported to be the richest man in the world under the age of 30. **PICTURES TAKEN ON THE 03/06/18** Pictured: Natalia Grosvenor - Hugh Grosvenor BACKGRID UK 8 JUNE 2018, Image: 374201284, License: Rights-managed, Restrictions: , Model Release: no, Credit line: ROSS / Backgrid UK / Profimedia